Scranton, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Scranton, a city in Greene County, Iowa.
Today
78°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 78, with temperatures falling to around 74 in the afternoon. North northwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Scranton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Chance Showers And Thunderstorms | 5 to 10 mph NNW | 59% |
| Tonight | 60°F | Showers And Thunderstorms | 5 to 9 mph NNE | 81% |
| Wednesday | 74°F | Chance Showers And Thunderstorms | 6 mph NE | 38% |
| Wednesday Night | 54°F | Mostly Clear | 3 mph ESE | 4% |
| Thursday | 81°F | Sunny | 0 to 5 mph ESE | 1% |
| Thursday Night | 61°F | Mostly Clear | 3 mph SSE | 3% |
| Friday | 86°F | Sunny | 3 to 7 mph S | 6% |
| Friday Night | 66°F | Mostly Clear | 6 mph S | 11% |
| Saturday | 90°F | Mostly Sunny | 2 to 10 mph S | 10% |
| Saturday Night | 70°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 9 mph S | 16% |
| Sunday | 90°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 9 mph SSE | 16% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 6 to 10 mph SSE | 30% |
| Monday | 90°F | Chance Showers And Thunderstorms then Partly Sunny | 12 mph SSE | 30% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 12 mph ESE | 25% |
Forecast source: National Weather Service (api.weather.gov) for Scranton (42.019, -94.549). Updated through the day.
Growing snapshot for Scranton
Last spring frost
Apr 26
First fall frost
Oct 9
Growing season
164 days
Hardiness zone
5a
More local growing data for Scranton: nearby ZIP 51462 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Jefferson, Ia (8.3 mi from Scranton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.